blob: cbb525052d79bc532c37609b9eac812c0b464c3e [file] [log] [blame]
# Copyright 2019 The Dawn & Tint Authors
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import("../scripts/dawn_overrides_with_defaults.gni")
import("generator_lib.gni")
# Template to help invoking Dawn code generators based on generator_lib
#
# dawn_generator("my_target_gen") {
# # The script and generator specific arguments
# script = [ "my_awesome_generator.py" ]
# args = [
# "--be-awesome",
# "yes"
# ]
#
# # The list of expected outputs, generation fails if there's a mismatch
# outputs = [
# "MyAwesomeTarget.cpp",
# "MyAwesomeTarget.h",
# ]
# }
#
# Using the generated files is done like so:
#
# shared_library("my_target") {
# deps = [ ":my_target_gen "]
# sources = get_target_outputs(":my_target_gen")
# }
#
template("dawn_generator") {
generator_lib_action(target_name) {
forward_variables_from(invoker, "*", [ "script" ])
script = get_path_info(invoker.script, "abspath")
# Set arguments required to find the python libraries for the generator
generator_lib_dir = get_path_info("${dawn_root}/generator", "abspath")
jinja2_path = dawn_jinja2_dir
# Force Dawn's autogenerated file structure to mirror exactly the source
# tree but start at ${dawn_gen_root} instead of ${dawn_root}
custom_gen_dir = dawn_gen_root
}
}
# Helper generator for calling the generator from dawn.json
#
# dawn_json_generator("my_target_gen") {
# # Which generator target to output
# target = "my_target"
#
# # Also supports `outputs` and `custom_gen_dir` like dawn_generator.
# }
template("dawn_json_generator") {
dawn_generator(target_name) {
script = "${dawn_root}/generator/dawn_json_generator.py"
# The base arguments for the generator: from this dawn.json, generate this
# target using templates in this directory.
args = [
"--dawn-json",
rebase_path("${dawn_root}/dawn.json", root_build_dir),
"--wire-json",
rebase_path("${dawn_root}/dawn_wire.json", root_build_dir),
"--targets",
invoker.target,
]
forward_variables_from(invoker, "*", [ "target" ])
}
}
template("dawn_json_lpm_generator") {
dawn_generator(target_name) {
script = "${dawn_root}/generator/dawn_json_generator.py"
# The base arguments for the generator: from this dawn.json, generate this
# target using templates in this directory.
args = [
"--dawn-json",
rebase_path("${dawn_root}/dawn.json", root_build_dir),
"--wire-json",
rebase_path("${dawn_root}/dawn_wire.json", root_build_dir),
"--lpm-json",
rebase_path("${dawn_root}/src/dawn/fuzzers/lpmfuzz/dawn_lpm.json",
root_build_dir),
"--targets",
invoker.target,
]
forward_variables_from(invoker, "*", [ "target" ])
}
}